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2755389760 = 26529973061
BaseRepresentation
bin1010010000111011…
…1110100101000000
321010000202022011121
42210032332211000
521120334433020
61133225322024
7125165266204
oct24416764500
97100668147
102755389760
111194389122
1264a936314
1334bb0b156
141c1d30b04
15111d76baa
hexa43be940

2755389760 has 112 divisors (see below), whose sum is σ = 6859737360. Its totient is φ = 1052835840.

The previous prime is 2755389751. The next prime is 2755389773. The reversal of 2755389760 is 679835572.

It can be written as a sum of positive squares in 8 ways, for example, as 108493056 + 2646896704 = 10416^2 + 51448^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2755389698 and 2755389707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898630 + ... + 901690.

It is an arithmetic number, because the mean of its divisors is an integer number (61247655).

Almost surely, 22755389760 is an apocalyptic number.

2755389760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755389760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3429868680).

2755389760 is an abundant number, since it is smaller than the sum of its proper divisors (4104347600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2755389760 is a wasteful number, since it uses less digits than its factorization.

2755389760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204 (or 3194 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 52.

The square root of 2755389760 is about 52491.8065987445. The cubic root of 2755389760 is about 1401.9343601048.

The spelling of 2755389760 in words is "two billion, seven hundred fifty-five million, three hundred eighty-nine thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 97 116 145 160 194 232 290 320 388 464 485 580 776 928 970 1160 1552 1856 1940 2320 2813 3061 3104 3880 4640 5626 6122 6208 7760 9280 11252 12244 14065 15305 15520 22504 24488 28130 30610 31040 45008 48976 56260 61220 88769 90016 97952 112520 122440 177538 180032 195904 225040 244880 296917 355076 443845 450080 489760 593834 710152 887690 900160 979520 1187668 1420304 1484585 1775380 2375336 2840608 2969170 3550760 4750672 5681216 5938340 7101520 8610593 9501344 11876680 14203040 17221186 19002688 23753360 28406080 34442372 43052965 47506720 68884744 86105930 95013440 137769488 172211860 275538976 344423720 551077952 688847440 1377694880 2755389760